
1) Amylum 2) Argo is a brand of this 3) Cornflour 4) Gravy thickener 5) Pudding thickener 6) Starch
Found on
https://www.crosswordclues.com/clue/cornstarch

1) Cornflour 2) Thickener
Found on
https://www.crosswordclues.com/clue/cornstarch

• (n.) Starch made from Indian corn, esp. a fine white flour used for puddings, etc.
Found on
http://thinkexist.com/dictionary/meaning/cornstarch/

A white, dense, powdery thickener that is finer than flour. It is extracted from the starch (endosperm) of the wheat of corn. It must be dissolved in a cold liquid before it is added to a hot mixture or it will lump. It results in a glazy opaque finish.
Found on
http://whatscookingamerica.net/Glossary/C.htm

(from the article `corn syrup`) a viscous, sweet syrup produced by breaking down (hydrolyzing) cornstarch, either by heating it with a dilute acid or by combining it with enzymes. ... Corn is wet-milled to produce corn flour, or cornstarch, desirable for cooking because it forms a paste that sets with a `short` texture and .....
Found on
http://www.britannica.com/eb/a-z/c/143

Used as a safe base for our eye shadows, blushers and loose powders
Found on
http://www.encyclo.co.uk/local/20575

(korn´stahrch) see starch (def. 2).
Found on
http://www.encyclo.co.uk/local/21001
Corn'starch` (-stärch`)
noun Starch made from Indian corn, esp. a fine white flour used for puddings, etc.
Found on
http://www.encyclo.co.uk/webster/C/162

[
n] - starch prepared from the grains of corn
Found on
http://www.webdictionary.co.uk/definition.php?query=cornstarch

A powder created from maize used as a thickener in cooking, to dry Gum Paste when working, or to dust the work surface when rolling out fondant. Also found in confectioner
Found on
http://www.wrenscottage.com/kitchen/glossary.php
cornflour noun starch prepared from the grains of corn; used in cooking as a thickener
Found on
https://www.encyclo.co.uk/local/20974

a starch or a starchy flour made from corn and used for thickening gravies and sauces, making puddings, etc.
Found on
https://www.infoplease.com/dictionary/cornstarch
No exact match found.